Cassie Hollister is a social media sensation who initially gained her largest following on Instagram, where she has over 260,000 followers. She has also shared significant life events, including her pregnancy and relationship milestones, on YouTube. Cassie joined Twitter in September 2012 but posted her first tweet a year later. In addition to her Instagram popularity, she is active on Twitter with over 50,000 followers and runs a YouTube channel called SoCassie, which features content such as slime, toy, and DIY videos. Cassie comes from a family with a strong social media presence; her parents are Jim and Suzanne Hollister, and she has two siblings, Missy and Jimmy. She is also an aunt to her nephews, Oliver and Finley.